1. Secondary Mediation and Regression Analyses of the PTClinResNet Database: Determining Causal Relationships Among the International Classification of Functioning, Disability and Health Levels for Four Physical Therapy Intervention Trials by Sara J. Mulroy, Carolee J. Winstein, Kornelia Kulig, George J. Beneck, Eileen G. Fowler, Sharon K. DeMuth, Katherine J. Sullivan, David A. Brown, and Christianne J. Lane ptjournal Volume 91(12):1766-1779 November 30, 2011 © 2011 American Physical Therapy Association

2. Study Design and Outcome Variables for the 4 Randomized Controlled Trials Hosted by the Physical Therapy Clinical Research Networka. Sara J. Mulroy et al. PHYS THER 2011;91:1766-1779 © 2011 American Physical Therapy Association

3. Theoretical model of mediation analysis. Sara J. Mulroy et al. PHYS THER 2011;91:1766-1779 © 2011 American Physical Therapy Association

4. Variables Evaluated for Mediation Modeling Analysis at Each Level of the International Classification of Functioning, Disability and Health (ICF) for the Muscle-Specific Strength Training Effectiveness After Lumbar Microdiskectomy (MUSSEL) and Strengthening and Optimal Movements for Painful Shoulders in Chronic Spinal Cord Injury (STOMPS) Clinical Trialsa. Sara J. Mulroy et al. PHYS THER 2011;91:1766-1779 © 2011 American Physical Therapy Association

5. Variables Evaluated for Regression Modeling Analysis at Each Level of the International Classification of Functioning, Disability and Health (ICF) for the Strength Training Effectiveness Post-Stroke (STEPS) and Pediatric Endurance and Limb Strengthening (PEDALS) for Children With Spastic Diplegia Cerebral Palsy Clinical Trialsa. Sara J. Mulroy et al. PHYS THER 2011;91:1766-1779 © 2011 American Physical Therapy Association

6. Sequential increases in the R2 values predicting outcome variables in the 3 mediation models for the Muscle-Specific Strength Training Effectiveness After Lumbar Microdiskectomy (MUSSEL) and Strengthening and Optimal Movements for Painful Shoulders in Chronic Spinal Cord Injury (STOMPS) trials. Sara J. Mulroy et al. PHYS THER 2011;91:1766-1779 © 2011 American Physical Therapy Association

7. Sequential increases in the R2 values in the regression models for Strength Training Effectiveness Post-Stroke (STEPS) and Pediatric Endurance and Limb Strengthening (PEDALS) for Children With Spastic Diplegia Cerebral Palsy trials. Sara J. Mulroy et al. PHYS THER 2011;91:1766-1779 © 2011 American Physical Therapy Association